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Explosion proof certification case of gas detector

SINO Testing Services

| 2023-12-13|Return

Gas detector is one of the widely used products in various potentially explosive gas environments. Many customers consult Zhongnuo Testing about whether to choose explosion-proof or intrinsic safety explosion-proof technology for gas detectors. To answer their questions, Zhongnuo Testing briefly explains the explosion-proof and intrinsic safety explosion-proof technologies for gas detectors.

Whether a gas detector is explosion-proof or intrinsically safe depends on the product's structure, installation method, and usage location.

It is recommended to use intrinsic safety type for portable and handheld devices, which are relatively lightweight. In addition, if the detector is used in Zone 0, it can only be used for intrinsically safe IA explosion-proof level. But intrinsic safety products have a requirement, which is to provide circuit diagrams of the product and be able to design circuits according to intrinsic safety requirements.

Fixed ones can be considered for explosion-proof. Explosion proof products are relatively bulky. By making an explosion-proof shell, the internal circuit can be protected. Even if there is a risk of explosion in the internal circuit, the spread of the explosion can be blocked through the explosion-proof shell.



In addition, if the gas detector is battery powered, the temperature rise test of the battery must be considered when applying for explosion-proof certification.

At present, Zhongnuo Testing has successfully obtained domestic explosion-proof certification, ATEX certification, IECEx certification, etc. for gas detectors for customers.

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